Searching for "hot" scripts for Cruise Ship Tycoon on Roblox reveals that

A Cruise Ship Tycoon script typically runs within an exploit executor (such as Synapse X, Krnl, or Script-Ware). When executed, it injects custom commands into your game client, automating tasks that would otherwise require hours of manual clicking.

Attempts to bypass the cooldown timers associated with placing new rooms or decorations on your ship.

Automate the DJ booth, pool party, and casino jackpots on a rotation.